Help With OBD Code P1237

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Mar 19, 2006 | 07:07 AM

Cosmic Purple

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3rd Gear

Joined: Jun 2005

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Help With OBD Code P1237

Peace,

Please help. I loaned my other OBD device to a fellow mini driver. The service engine soon light came on after some jerking motions. The code reads P1237. Thanks.

Mar 19, 2006 | 08:46 AM

Barnabas

4th Gear

Joined: Feb 2004

Posts: 492

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From: Mission Viejo, CA

Secondary upstream manifold air pressure sensor low input. Check connections on your map sensor to make sure it's not loose. You might have to get your map sensors replaced

Mar 19, 2006 | 08:49 AM

Motor On

6th Gear

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https://www.northamericanmotoring.co...0&postcount=17
hope this helps

Mar 19, 2006 | 09:29 AM

Cosmic Purple

Thread Starter

3rd Gear

Joined: Jun 2005

Posts: 153

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Thanks. This helps greatly.

Mar 19, 2006 | 10:16 PM

rottenron

1st Gear

Joined: Dec 2005

Posts: 42

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From: IN. Shores of Lake Michigan

p code 1237

secondary upstream mainfold air pressur LOW Input
The first thing I would think is a vacuum leak -EGR-PVC-
Is the code a hard code? meaning it will come back after cleared.